SB2025100540 - Input validation error in Linux kernel iwlwifi mvm driver
Published: October 5, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100540
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2023-53589)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the iwl_mvm_update_mcc() function in drivers/net/wireless/intel/iwlwifi/mvm/nvm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/05ad5a4d421ce65652fcb24d46b7e273130240d6
- https://git.kernel.org/stable/c/557ba100d8cf3661ff8d71c0b4a2cba8db555ec2
- https://git.kernel.org/stable/c/682b6dc29d98e857e6ca4bbc077c7dc2899b7473
- https://git.kernel.org/stable/c/c176f03350954b795322de0bfe1d7b514db41f45
- https://git.kernel.org/stable/c/d0d39bed9e95f27a246be91c5929254ac043ed30
- https://git.kernel.org/stable/c/e519a404a5bbba37693cb10fa61794a5fce4fd9b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.244